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Highland Copper Announces Updated Process Plant Flow Sheet Demonstrating Increased Copper Recoveries of 87.6% and Reduced Processing Costs

VANCOUVER, British Columbia, Sept. 04, 2025 (GLOBE NEWSWIRE) — Highland Copper Company Inc. (TSXV: HI; OTCQB: HDRSF) (“Highland” or the “Company”) is pleased to announce positive results from its 2025 metallurgical test work program for the 100%-owned Copperwood Project (“Copperwood”), located in Michigan’s Upper Peninsula. The test work was conducted by Base Metallurgical Laboratories Ltd. […]


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